Frederick County, VA: Current UV Index and Hourly Forecast

As of 1:48 AM EDT on September 21, 2025, all 6 cities in Frederick County, VA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Frederick County, VA is expected to be 3.8 in Stephens City between 3:00 PM - 4:00 PM EDT today.

Search Cities in Frederick County, VA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Frederick County, VA as of 1:48 AM EDT, September 21, 2025

Current UV Index in Cities in Frederick County, VA

1:48 AM EDT, September 21, 2025